The freedoms and advantages are rare, and there’s no time to waste—
Reflect on this again and yet again, and dispel attachment to this life.
To dispel attachment to your future lives, contemplate repeatedly
The unfailing effects of karma and the sufferings of samsara.Three Principal Aspects of the Path

Chögyal Namkhai Norbu gave a Tsongkhapa transmission in a Gelug monastery in Buryatia in the context of Dzogchen.

If I remember correctly he received this in his Sakyapa college when he was younger.

“...we should try to acquire clairvoyance. Without it, we are like a baby bird whose wings are undeveloped and has not yet grown feathers and remains stuck in its nest, unable to fly. Without clairvoyance, we cannot work for other sentient beings.” — Khunu Lama
“Just as a bird can not fly without both wings,
The welfare of others cannot be accomplished without the higher faculties of perception,
So diligently strive for your own wellbeing, whilst mentally considering the welfare of others.” — Longchenpa